Home / 8,481,941.93-11,709,145.35-5,221,551.40

Finding the Fourth Proportional to 8,481,941.93, 11,709,145.35 and 5,221,551.40

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Solution

The fourth proportional to 8,481,941.93, 11,709,145.35 and 5,221,551.40 is: 7,208,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,941.93 : 11,709,145.35 = 5,221,551.40 : x
  2. Step 2: Convert to fraction form
    8,481,941.93/11,709,145.35 = 5,221,551.40/x
  3. Step 3: Cross multiply
    8,481,941.93x = 11,709,145.35 × 5,221,551.40
  4. Step 4: Simplify right side
    8,481,941.93x = 61,139,904,265,823.12
  5. Step 5: Solve for x
    x = 61,139,904,265,823.12/8,481,941.93
  6. Step 6: Final answer
    x = 7,208,243.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.